One Direction to play this year's iTunes Festival

One Direction are one of the names confirmed to play this year's iTunes Festival.

The event, which takes place over a number of nights at London's Roundhouse venue, will also see the likes of Usher and Jack White perform.

Norah Jones is the only other name to have been officially confirmed so far.

One Direction will play the venue on September 20, with free tickets for the iTunes Festival shows up for grabs on the event's website.

Speaking about the confirmation, Harry Styles said:

"We're so happy to be playing at the iTunes Festival this year. Every year we see some of our favourite bands and artists on the bill so to be part of the line up this year is obviously incredibly exciting and we're hugely grateful for the opportunity. We can't wait to see our fans at the Festival."